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Failed Dental Implant? The First Step Is Figuring Out Why It Failed.

We see implant revision cases every week — patients whose previous implant failed and who need someone to identify what went wrong before placing a replacement. Without that diagnosis, the second attempt is at risk of failing the same way.

What replacing a failed implant costs

  • Implant removal: $300–$800
  • Bone grafting: $500–$3,500
  • Replacement implant placement: $2,500–$4,500
  • Final crown or restoration: $1,500–$3,500
  • Typical total range: $4,500–$10,000+

Full-arch failures (e.g., a failed All-on-4 case) are quoted separately. Written, itemized pricing provided in consultation.

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Urgent Symptoms Need Same-Week Attention

Urgent cases: If your implant has just become loose, fallen out, or shows signs of infection (pain, swelling, pus, fever), you should be seen as soon as possible. Call our office and let us know — we accommodate urgent implant cases ahead of routine appointments.

Why dental implants fail (and why finding the cause matters more than placing a new one)

The core principle in handling a failed implant is this: a second implant placed without understanding why the first one failed has a higher chance of failing too. Implant failure is rarely random. It usually has a specific, identifiable cause — and addressing that cause is what gives the replacement a real chance.

There are five main categories of implant failure, and most cases involve more than one factor. Failure of osseointegration (the bone never fully bonded with the implant), peri-implantitis (infection-related bone loss around the implant), mechanical or prosthetic failure (loose screws, fractured abutments or crowns), bite-force overload, and surgical positioning errors all produce different patterns — and each demands a different response in the replacement plan.

Our job at a failed implant consultation is to figure out which of these factors were at work, what we can do to neutralize them, and only then to plan the replacement.

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Diagram showing causes of peri-implantitis and dental implant failure

The five main categories of implant failure

Understanding which mode caused your original failure determines what the replacement plan needs to address.

1. Failure of osseointegration

Osseointegration is the process where the implant fuses to the surrounding bone. Failure here means the bone never fully bonded with the implant — sometimes from the start (early failure, within months), sometimes after years of partial integration (late failure). Common contributors include inadequate primary stability at placement, thermal damage during drilling, or loading the implant before integration completed.

2. Peri-implantitis (infection-related bone loss)

This is essentially gum disease around an implant — bacterial infection that destroys the bone supporting the implant. It's the most common cause of implant failure after the first year. Risk factors include inadequate oral hygiene, smoking, uncontrolled diabetes, and failure to receive routine cleanings.

3. Mechanical or prosthetic failure

The implant itself is fine, but the components attached to it (the abutment, screw, or crown) fail. This can include loose screws, fractured abutments, or fractured crowns. Often this is fixable without replacing the actual implant.

4. Bite force overload

Implants placed in positions that bear excessive force — particularly single posterior molar implants opposing dense crown work, or implants in patients with severe bruxism — can fail from accumulated mechanical stress.

5. Surgical positioning errors

Implants placed too close to a nerve, sinus, or adjacent tooth, or angled incorrectly, can fail or require removal regardless of the bone or hygiene situation.

How we evaluate a failed implant case

When you arrive for a failed implant consultation, we treat it like a forensic investigation. The original implant failed for a reason. Our job is to find that reason before placing anything new.

We start with a thorough history review — when the original implant was placed, by whom, how long it lasted, what symptoms preceded the failure, and what you were told at the time. Records from the original practice are helpful when available. Then comes 3D cone-beam CT imaging — non-negotiable for failed implant cases, because the 3D scan reveals exactly what bone is left, where the failed implant sits, and what’s anatomically possible. 2D X-rays are insufficient.

Only after cause identification do we plan the replacement. The plan addresses the original failure cause — often through bone grafting, modified implant positioning, different implant type, or changes to the prosthetic design.

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3D cone-beam CT imaging for failed dental implant evaluation

What replacing a failed implant typically involves

Most replacement cases follow this sequence. Specifics vary — particularly in cases where the original failure was prosthetic and the implant itself may be salvageable.

Removal of the failed implant

If still present, the failed implant is removed under local anesthesia or IV sedation. Removal is usually straightforward when the implant has lost integration; cases with infection may require additional cleanup of the surrounding tissues.

Bone grafting (most cases)

Once a failed implant is removed, the surrounding bone has typically been compromised. Most replacement cases benefit from bone grafting at the time of removal to rebuild the site for the replacement implant.

Healing period

3–6 months of healing, depending on the extent of grafting. During this period, you wear a temporary partial denture, flipper, or other interim solution.

Replacement implant placement

The replacement implant is placed using protocols designed to avoid the failure mode of the original. This may include different positioning, different implant type, or modified loading.

Final restoration

After integration of the replacement implant, the final crown or bridge is placed. In some cases — particularly when the failure was prosthetic (loose screw, fractured abutment) rather than biological — the existing implant may be salvageable and only the prosthetic components need replacement.

When we'd recommend something other than a replacement implant

Not every failed implant case should get a new implant. Honesty about this matters: forcing a replacement into a site that won't sustain it produces a second failure.

Recurrent failure

If you've already had two or more implant failures at the same site, we evaluate whether the site is fundamentally unsuitable rather than placing a third implant. Sometimes a fixed bridge using adjacent teeth as abutments, or accepting the gap, is the more conservative path.

Severe bone loss with limited remaining anatomy

If the original failure has left insufficient bone for a replacement implant — and grafting alternatives aren't viable — we may recommend prosthetic alternatives.

Active medical contraindications

If the original failure was driven by a medical factor that hasn't changed (uncontrolled diabetes, ongoing IV bisphosphonate therapy, etc.), placing a new implant before addressing that factor risks the same outcome.

Patient preference for non-implant restoration

Some patients, after a failed implant, prefer to move forward without trying again. We respect that decision and discuss prosthetic alternatives.

Common questions about failed implants

The clearest signs are looseness, pain on biting, gum recession exposing the implant, swelling, pus, or visible separation from the surrounding gum. Early failure may also include persistent pain or a feeling that something is wrong even when nothing is visibly different. If you have any of these signs, schedule an evaluation as soon as possible.
Save the implant if you can. Call our office. We'll typically want to see you within a few days. If the implant fell out cleanly without infection signs, the site may be ready for re-treatment sooner. If there's infection, we treat that first before considering replacement.
Implant failure isn’t always anyone’s “fault” — many failures result from biological factors that are difficult to predict even with excellent technique. That said, some failures result from surgical errors (improper positioning, inadequate primary stability) or prosthetic errors (poor crown design, occlusal overload). Identifying the cause helps determine both why it failed and how to prevent recurrence — but assigning fault is rarely productive.
Sometimes, yes — particularly for prosthetic issues. But if the original surgical placement was a contributing factor in the failure, returning to the same surgeon often produces the same outcome. Many patients seek a second opinion from a specialist, particularly when the original implant was placed by a general dentist and the case has become more complex.
Typically 3–6 months after the failed implant is removed and the site is grafted. Some cases allow for immediate replacement (placing the new implant the same appointment as removal), but this is reserved for cases without infection or significant bone loss.
Many dental plans cover implant replacement. Some plans have specific clauses about replacement timing or “lifetime maximums” that limit coverage. We verify your specific benefits during consultation.
The replacement has a very high chance of long-term success when the original failure cause is identified and addressed. Without that diagnosis, the second implant has approximately the same risk of failure as the first.
This is one of the more common failed implant cases we see. Often the bridge is still functional on the remaining three implants temporarily, but the failed implant must be replaced for long-term stability. Sometimes the failed position can be re-treated; sometimes the protocol needs to convert to All-on-5 or All-on-6 with an additional implant placed in a stable site.
Implants can fail silently, particularly with peri-implantitis (infection-related bone loss). The bone destruction often progresses without pain. If your dentist has identified bone loss on X-ray or clinical exam, take it seriously — early intervention is much more successful than waiting until the implant becomes loose.

Other pages worth exploring

Each links to deeper detail on a treatment option or related clinical situation discussed above.

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